861361938 is an even 9-digits composite number following 861361937
and preceding 861361939 . In scientific notation, it is written as 8.61361938 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 20 positive divisors.
There are 287120592 positive integers (up to 861361938) that are relatively prime to 861361938.
861361938 has 20 divisors, whose sum is 1930089150
The reverse of 861361938 is 839163168
Previous prime number is 9
Is Prime? no Number parity even Number length 9 Sum of Digits 45 Digital Root 9
Name
eight hundred sixty-one million three hundred sixty-one thousand nine hundred thirty-eight
Scientific notation
8.61361938 × 10^8
Engineering notation
8.61361938 × 10^6
Prime Factorization
2 × 3 × 3 × 9 × 5317049
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
287120646 Product of the distinct prime numbers
The prime factorization of 861361938 is 2 × 3 × 3 × 9 × 5317049.
Since it has a total of 5 prime factors.
5 , 10 , 76 , 88 , 616 , 542 , 7258 , 494 , 86991 , 59472 , 25059 , 576632 , 1165161 , 9747196 , 71541201 , 20848634 , 247442849 , 174898415 , 1786986906 , 4369316065
n×2
1722723876
n×3
2584085814
n×4
3445447752
n×5
4306809690
n÷2
430680969
n÷3
287120646
n÷3
215340484.5
n÷5
172272387.6
n2
741944388235115844
n3
6.3908265613842E+26
n4
5.5048147523358E+35
n5
4.741637903403E+44
2 √n29348.968261252
3 √n951.47027661632
4 √n171.31540579076
5 √n61.240275451429
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 81 , 162 , 5317049 , 10634098 , 15951147 , 31902294 , 47853441 , 95706882 , 143560323 , 287120646 , 430680969 , 861361938
20 divisors
τ Total Divisors
20 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-861361937 Sum of the proper positive divisors of n
A Arithmetic Mean
0.05 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
1 Returns the nth root of the product of n divisors
H Harmonic Mean
20 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 861361938 can be divided by 20 positive divisors.
The sum of these divisors (counting 861361938) is 1, the average is 0.05.
Base
System
Value
2
Binary
110011010101110101011100010010
3
Ternary
2020000210201110000
4
Quaternary
303111311130102
5
Quinary
3231002040223
6
Senary
221245550430
8
Octal
6325653422
10
Decimal
861361938
12
Duodecimal
200575416
16
Hexadecimal
33575712
20
Vigesimal
d93a4gi
36
Base36
e8tz4i
md5
2efc5d9e488bc940f9194d408e4827c5
sha1
8e2269d69492edbe6046e83939d0b3cf2d1031b7
sha256
c57c1d8f7bc5e3d3b537a4468a7e5b34d28a1ed5f97cf0a2efb8afc683ffc450
sha512
60d25b7646ad898ba5999b7abf2933e2a38131f5fb56e9e66175ef8129da0ea6d369e0321c7627a53da96f256607ef34d20b14dec095058fbff8772efb9c4611
ripemd-160
da07956bfea685d57163025927b5f09a2c2db44e
Diameter
1722723876
Circumference
5412096673.0053
Area
2.3308870394516E+18
Volume
2.6769831700815E+27
Surface area
9.3235481578065E+18
Circumference
5412096673.0053
Perimeter
3445447752
Area
741944388235115844
Diagonal
1218149734.8316
Surface area
4451666329410695064
Volume
6.3908265613842E+26
Space diagonal
1491922640.322
Perimeter
2584085814
Area
3.2127134420346E+17
Altitude
745961320.161
Surface area
3.2127134420346E+17
Volume
7.5316613315698E+25
Height
406049911.61052